CN114143810A - Intelligent surface control method and related equipment thereof - Google Patents
Intelligent surface control method and related equipment thereof Download PDFInfo
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- CN114143810A CN114143810A CN202111434573.1A CN202111434573A CN114143810A CN 114143810 A CN114143810 A CN 114143810A CN 202111434573 A CN202111434573 A CN 202111434573A CN 114143810 A CN114143810 A CN 114143810A
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Abstract
The disclosure provides an intelligent surface control method and related equipment thereof, and relates to the technical field of communication. The control method comprises the following steps: monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface; and when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter group of the intelligent surface. The intelligent surface switch control information, the electromagnetic unit period adjustment information and the electromagnetic unit regulation parameter set setting information are reasonably distributed and utilized, so that the intelligent surface is effectively controlled.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to an intelligent surface control method and related devices.
Background
An Intelligent Reflection Surface (IRS), also called Reconfigurable Intelligent Surface (RIS) (hereinafter, collectively referred to as an Intelligent Surface for convenience of description), is composed of a large number of low-cost electromagnetic units, and parameters (such as phases) of each unit can be adjusted to control the reflection direction of an incident signal on the Intelligent Surface, so that the signal is reflected to a desired direction. The intelligent surface has the characteristics of low cost, low power consumption, easiness in deployment and the like, so that the intelligent surface is expected to become a candidate technology for 6G wireless communication.
However, on the one hand, since the smart surface does not have complex digital baseband processing capability, it is difficult to perform channel estimation from the smart surface to the user, i.e. it is difficult to adaptively adjust the electromagnetic unit parameters for the purpose of user tracking. On the other hand, the user may be transparent to the smart surface, i.e., the user may not be aware of the presence of the smart surface. Therefore, how to realize parameter control of the intelligent surface to achieve improvement of the channel propagation environment is a key problem of the intelligent surface.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The present disclosure provides an intelligent surface control method and related device, which at least to some extent overcomes the technical problem of the prior art that the intelligent surface parameters are difficult to control.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.
According to an aspect of the present disclosure, there is provided an intelligent surface control method, including:
monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface;
and when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter group of the intelligent surface.
In one embodiment of the present disclosure, the method further comprises: and under the condition that the intelligent surface is in an open state and the second control information and the third control information are not monitored, adjusting the electromagnetic unit regulation parameter group of the intelligent surface according to a preset period and a preset mode.
In one embodiment of the present disclosure, the adjusted set of electromagnetic unit modulation parameters lasts for a period of time.
In an embodiment of the present disclosure, the first control information includes one or more bits, and the smart surface is turned on or off according to the number of bits and the combination of the first control information.
In one embodiment of the present disclosure, when the first control information includes one bit, all panels or electromagnetic units of the smart surface are turned on or off;
when the first control information includes a plurality of bits, all or part of the panels or the electromagnetic units of the smart surface are turned on or off at a preset time, or all or part of the panels or the electromagnetic units of the smart surface are turned on or off after a preset time length.
In an embodiment of the present disclosure, the second control information includes one or more bits, and the period of the electromagnetic unit is adjusted according to the number of bits and the combination of the second control information.
In one embodiment of the present disclosure, when the second control information includes one bit, the period of the electromagnetic unit is adjusted to be longer or shorter by a preset time length;
and when the second control information comprises a plurality of bits, the period of the electromagnetic unit is adjusted to be longer, the period of the electromagnetic unit is adjusted to be shorter or the time length is adjusted to be shorter or the time is adjusted to be shorter.
In an embodiment of the present disclosure, the third control information includes one or more bits, and the set of electromagnetic unit control parameters is adjusted according to the number of bits and the combination manner of the third control information.
In an embodiment of the present disclosure, when the third control information includes one bit, switching the set of electromagnetic unit control parameters in a preset manner;
when the third control information includes a plurality of bits, the set of electromagnetic unit regulation parameters is set in an arbitrary manner.
In an embodiment of the present disclosure, the setting the set of electromagnetic unit regulation parameters in any manner includes at least one of:
locking a current electromagnetic unit regulation parameter set;
unlocking a current electromagnetic unit regulation parameter set;
adjusting the current electromagnetic unit regulation parameter group into a previous electromagnetic unit regulation parameter group of the current electromagnetic unit regulation parameter group;
and adjusting the current electromagnetic unit regulation parameter set into any one preset electromagnetic unit regulation parameter set.
In one embodiment of the present disclosure, the method further includes:
based on the selection of the electromagnetic unit regulation parameter group, the adjustment of the electromagnetic wave reflection or transmission characteristic of the intelligent surface is realized.
In one embodiment of the present disclosure, the electromagnetic wave reflection or transmission characteristics include at least one of:
the phase of the reflected or transmitted electromagnetic wave;
the amplitude of the reflected or transmitted electromagnetic wave;
energy distribution of the reflected electromagnetic wave or the transmitted electromagnetic wave in space.
According to another aspect of the present disclosure, there is provided a network device including:
a transmission module configured to transmit first control information to the smart surface; when the intelligent surface is in an open state, sending second control information and/or third control information to the intelligent surface; the first control information is used for turning on or off the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface.
According to another aspect of the present disclosure, there is provided a smart surface comprising:
a monitoring module configured to monitor the first control information; monitoring second control information and/or third control information when the intelligent surface is in an open state; and
the control module is configured to turn on or off the intelligent surface according to the first control information, adjust the electromagnetic unit period of the intelligent surface according to the second control information, and adjust the electromagnetic unit regulation parameter set of the intelligent surface according to the third control information.
According to another aspect of the present disclosure, there is provided an intelligent surface control system comprising:
a network device configured to transmit first control information; when the intelligent surface is in an open state, sending second control information or third control information; and
a smart surface configured to listen for the first control information; when the intelligent surface is in an open state, monitoring the second control information and/or the third control information; the first control information is used for turning on or off the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface.
According to another aspect of the present disclosure, there is provided an electronic device including:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the above-described intelligent surface control method via execution of the executable instructions.
According to another aspect of the present disclosure, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the intelligent surface control method described above.
According to the intelligent surface control method and the related equipment thereof provided by the embodiment of the disclosure, the intelligent surface can be controlled by a small amount of control information on the one hand through reasonable distribution and utilization of the intelligent surface switch control information, the electromagnetic unit period adjustment information and the electromagnetic unit regulation parameter set setting information; on the other hand, the adjustment of the intelligent surface is taken as the main part, and the control of the network equipment is taken as the auxiliary part, so that the control overhead is further reduced, and the training of the intelligent surface is not needed.
Furthermore, the embodiment of the disclosure can be combined with other intelligent surface electromagnetic unit adjustment algorithms, beam forming algorithms and codebook schemes, so as to better improve the wireless transmission performance of the network.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a schematic view illustrating an operating scenario of an intelligent surface control method and related devices in an embodiment of the present disclosure;
FIG. 2 illustrates a flow chart of a method for intelligent surface control in an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating a relationship between a set of modulation parameters and a reflected wave in a period according to an embodiment of the disclosure;
FIG. 4 is a flow chart illustrating a method for controlling an intelligent surface according to an embodiment of the present disclosure;
FIG. 5 is a block diagram illustrating a network device according to an embodiment of the disclosure;
FIG. 6 shows a block diagram of a smart surface in an embodiment of the present disclosure;
FIG. 7 is a block diagram illustrating an intelligent surface control system according to an embodiment of the present disclosure;
fig. 8 shows a block diagram of an electronic device in an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The intelligent surface control method provided by the disclosure can monitor first control information; monitoring second control information and/or third control information when the intelligent surface is in an open state; the first control information is used for turning on or turning off the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface. For ease of understanding, the following first explains several terms referred to in this application.
An Intelligent Reflecting Surface (IRS), also called Reconfigurable Intelligent Surface (RIS) (for convenience of description, hereinafter referred to as Intelligent Surface), is an artificial plane formed by a large number of low-cost passive electromagnetic units capable of changing the amplitude and phase of an incident signal, and may be composed of three layers of materials and an Intelligent controller. The outermost layer of the intelligent surface is a dielectric substrate attached with a large number of metal patches, each metal patch is used as an electromagnetic unit, and the metal patches directly interact with incident signals and can change the amplitude and the phase of the incident signals; the middle layer is a metal copper plate for preventing the energy of the incident signal from leaking; the innermost layer is a control circuit board controlled by an intelligent controller and used for adjusting the change of the amplitude and the phase of the incident signals of the units on the outermost layer. The controller connected to the intelligent surface can be realized by a Field Programmable Gate Array (FPGA), which not only can control each electromagnetic unit on the intelligent surface, but also can be used as a gateway to exchange low-speed information with other parts (such as network equipment, user terminals and the like) in a communication network through an independent wireless link, thereby achieving the purpose of mutual cooperation.
In a wireless communication environment, due to various aspects such as user movement, the state of a channel in the environment is constantly in a dynamic change process, and therefore, in order to follow the dynamic change characteristics of the channel to assist communication in a network, each unit of an intelligent surface needs to have real-time reconfigurability. From a hardware implementation, this requirement can be satisfied by using phase-shift switching diodes (PINs), field-effect transistors (FETs), or micro-electro-mechanical system (MEMS) switches.
Those skilled in the art will appreciate that the above description of the structure of the smart surface is merely illustrative, and that the smart surface may have any shape, according to the actual needs. The embodiments of the present disclosure are not limited thereto.
In one embodiment of the present disclosure, as an implementation of intelligent surface reconfigurability: on one hand, in order to realize the control of the phase of the incident signal, PIN junctions are embedded in the electromagnetic unit, the bias voltages at two ends of the electromagnetic unit are controlled through a direct current feeder line, and the PIN junctions can be switched between an on state and an off state, so that the 180-degree phase shift modulation of the incident signal is realized, and therefore, if a plurality of PIN junctions are embedded in the electromagnetic unit and the bias voltages at two ends of each PIN junction are controlled through an FPGA controller, the modulation of various phases of the incident signal can be realized; on the other hand, in order to control the amplitude of the incident signal after being reflected by the electromagnetic unit, the amplitude of the signal can be changed in the interval of [0,1] by arranging a variable load resistor in the electromagnetic unit and changing the corresponding resistance value. However, as can be seen from the above hardware implementation, if the units of the smart surface have the capability of controlling with high precision close to the continuous domain in order to increase the gain of the communication system, the hardware cost and the design complexity of the whole smart surface will be greatly increased, which undoubtedly goes against the original design intention of the smart surface as an economic and efficient auxiliary communication device in the application. Thus, in a practical situation, on a smart surface with a large number of electromagnetic elements, each element has only a small number of bits of amplitude or phase modulation.
As research and progress on intelligent surface technologies have been made, the intelligent surface technologies are being researched and applied in various fields, such as millimeter wave communication, THz communication, high-speed rail and fast moving scenes, offshore communication, etc., and it is believed that as technologies have been developed, artificial intelligence technologies will be applied in more fields and will play more and more important roles.
Fig. 1 shows a schematic diagram of an exemplary working scenario of an intelligent surface control method and its related devices, which can be applied to the embodiments of the present disclosure. As shown in fig. 1, the system architecture may include a network device 110, a user terminal 120, and an intelligent surface 130.
The transmission signal of the network device 110 may be transmitted to the intelligent surface 130 through an incident path, and reaches the user terminal 120 from the intelligent surface 130 through a reflection path, and meanwhile, the intelligent surface 130 may generate, according to the control information sent by the network device 110, a set of predetermined codebooks or a specific electromagnetic unit adjustment algorithm, a set of control parameters of each electromagnetic unit in the intelligent surface 130, so as to control each electromagnetic unit (for example, the intelligent surface shown in fig. 1 includes 36 electromagnetic units, and a person skilled in the art may adjust the number of the electromagnetic units according to actual conditions), thereby implementing adjustment of the electromagnetic wave reflection or transmission characteristics of the intelligent surface. The codebook set and the electromagnetic unit adjustment algorithm are common knowledge in the art, and are not described herein again.
Optionally, the electromagnetic wave reflection or transmission characteristics in the present embodiment include, but are not limited to: the phase and amplitude of the reflected electromagnetic wave or the transmitted electromagnetic wave, and the energy distribution of the reflected electromagnetic wave or the transmitted electromagnetic wave in the space. In the implementation, those skilled in the art can adjust other characteristics of the intelligent surface according to actual conditions.
Alternatively, the user terminal 120 may be various electronic devices, including but not limited to a mobile phone, a game console, a tablet Computer, an e-book reader, smart glasses, an MP4(moving picture Experts Group Audio Layer IV) player, a smart home device, an AR (Augmented Reality) device, a VR (Virtual Reality) device, and other mobile terminals, or the user terminal 120 may be a Personal Computer (Personal Computer, PC), such as a laptop Computer, a desktop Computer, and other mobile terminals.
Alternatively, the clients of the applications installed in different user terminals 120 are the same, or the clients of the applications installed on two user terminals 120 are clients of the same type of application of different control system platforms. Based on different terminal platforms, the specific form of the client of the application program may also be different, for example, the client of the application program may be a mobile phone client, a PC client, or a World Wide Web (Web) client.
Alternatively, the network device 110 may be a 4G base station, or a 5G base station, or a later-version base station, or a base station in other communication systems, or referred to as a node B, an evolved node B, or a Transmission Reception Point (TRP), or an Access Point (AP), or other words in the field, and the network device is not limited to a specific technical word as long as the same technical effect is achieved.
Those skilled in the art will appreciate that the number of network devices 110, user terminals 120, and intelligent surfaces 130 in fig. 1 is merely illustrative and that there may be any number of network devices, user terminals, and intelligent surfaces, as desired. The embodiments of the present disclosure are not limited thereto.
The present exemplary embodiment will be described in detail below with reference to the drawings and examples.
First, the embodiment of the present disclosure provides an intelligent surface control method, which can be executed by any electronic device with computing processing capability.
Fig. 2 shows a flowchart of an intelligent surface control method in an embodiment of the present disclosure, and as shown in fig. 2, the intelligent surface control method provided in the embodiment of the present disclosure includes the following steps:
s201, monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface.
Optionally, the first control information is intelligent surface switch control information, and the opening or closing of the intelligent surface is controlled by the information, and different switching methods are indicated specifically according to the number of bits and the combination mode of the first control information.
In one embodiment of the present disclosure, the first control information may be one bit, and the bits "0", "1" indicate to turn on or off the smart surface, respectively.
In another embodiment of the present disclosure, the first control information may be a plurality of bits, and different intelligent surface switch control modes are indicated by a combination of different bit values, and the control modes include at least one of the following: turning on or off all or part of the panel or the electromagnetic unit of the intelligent surface at a certain preset time; all or part of the panels or electromagnetic units of the smart surface are turned on or off after a certain predetermined length of time.
Of course, in practical applications, those skilled in the art can also turn on or off the preset number of electromagnetic units according to practical situations through the first control information. For example, when raining, the radio wave transmission is rained, the preset number of intelligent electromagnetic units can be controlled to be opened to enhance the signal intensity, and after the rain stops, the intelligent electromagnetic units which are opened before the rain stops can be controlled to be closed to reduce the energy consumption.
S202, when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the control parameter group of the electromagnetic unit of the intelligent surface.
It should be noted that the electromagnetic unit cycle is a time length for maintaining the currently configured electromagnetic unit regulation and control parameter for each electromagnetic unit. By adjusting the period of the electromagnetic unit, the time length of the electromagnetic unit for maintaining the currently configured electromagnetic unit regulation and control parameters can be changed, so that the adjustment frequency of the electromagnetic unit is improved or reduced, the adjustment of the electromagnetic unit has higher flexibility, the channel change condition is matched, or other requirements are met.
It should be noted that the set of electromagnetic unit control parameters is a set of parameters for adjusting the states of all the electromagnetic units, and may be understood as a parameter matrix, where the number of matrix elements is equal to the number of electromagnetic units, and each element in the matrix represents the parameter setting of the corresponding electromagnetic unit. More specifically, if each electromagnetic unit has 4 adjustable states, the four states, namely, the four states 00, 01, 10, and 11, can be indicated by 2 bits, that is, each time adjustment is performed, the corresponding matrix element indicates one of the four states by using 2 bits. In the reflection process of the intelligent surface, the state of each electromagnetic unit can be controlled by adjusting the electromagnetic unit regulation parameter group, so that the phase and/or amplitude of the reflected wave are changed, and the intelligent surface obtains different reflection characteristics. Of course, the transmission characteristics of the smart surface can also be adjusted by those skilled in the art based on the same principles.
It should be noted that the smart surface keeps listening for the first control information both when it is turned on and when it is turned off.
Optionally, the second control information is period control information, the predetermined period is adjusted by the information, and different period adjustment methods are indicated according to the number of bits and the combination mode of the second control information.
In one embodiment of the present disclosure, the second control information may be a bit, and the bits "0" and "1" respectively indicate that the period is adjusted to be shorter or longer by a predetermined time length.
In another embodiment of the present disclosure, the second control information may be two bits, and the bits "00", "01", "10", "11" respectively indicate that the period length is adjusted to the time lengths T1, T2, T3 and T4, where T1 to T4 may be specific values of the time lengths or may be time length differences.
Optionally, the third control information is intelligent surface state control information, and the base station may select a control parameter group of the electromagnetic unit used by the desired intelligent surface through the control information. The intelligent surface state control information may include one bit or a plurality of bits, and specifically, different sets of electromagnetic unit control parameters are indicated to be selected according to the number of bits and the combination mode of the third control information.
In one embodiment of the present disclosure, the third control information may be a bit, and the bits "0" and "1" respectively indicate the control parameter group for locking the current electromagnetic unit and the control parameter group for unlocking the current electromagnetic unit.
In another embodiment of the present disclosure, the third control information may be a bit, and the bits "0" and "1" respectively indicate to lock the current regulation parameter group of the electromagnetic unit and to adjust the current regulation parameter group of the electromagnetic unit to the last regulation parameter group of the electromagnetic unit and lock. In the locked state, when the intelligent surface detects the third control information again and the bit value of the control information is "0", the intelligent surface resumes the periodic adjustment of the electromagnetic unit. And in the locked state, when the intelligent surface detects the third control information again and the bit value of the control information is '1', the intelligent surface continuously returns the current regulation parameter group of the electromagnetic unit to the last regulation parameter group of the electromagnetic unit and locks.
In yet another embodiment of the present disclosure, the third control information may be a plurality of bits, and different intelligent surface state control modes are indicated by a combination of different bit values, and the control modes include at least one of: locking the current regulation parameter set of the electromagnetic unit, unlocking the current regulation parameter set of the electromagnetic unit, adjusting the current regulation parameter set of the electromagnetic unit to be the last regulation parameter set of the electromagnetic unit, and adjusting the current regulation parameter set of the electromagnetic unit to be a certain regulation parameter set of the electromagnetic unit.
It should be noted that "locking" means that the intelligent surface does not adjust the electromagnetic unit according to a period any more, and keeps the current parameter state of the electromagnetic unit until receiving new control information; the "unlock" refers to the smart surface resuming periodic adjustment of the electromagnetic unit.
Further, the first control information, the second control information, and the third control information may be located on the same or different frequency domain resources. If the control information is in different frequency domain resources, the intelligent surface can judge which control information the corresponding control information is through the position of the frequency domain resources; for example, when the first control information, the second control information and the third control information are respectively transmitted at three different frequency points, the intelligent surface can determine what kind of control information is monitored through the frequency points of the control information. If they are located in the same frequency domain resource, that is, at least two of the three types of control information are transmitted at the same frequency point, the control information at the same frequency point needs to be distinguished by other means, for example, by different sequence types and by different signal receiving power ranges. The embodiments of the present disclosure are not limited thereto.
Optionally, when the smart surface is in the off state, the electromagnetic element parameters are not continuously regulated. Specifically, the monitoring of the second control information and the third control information is turned off, and only the monitoring function of the first control information is reserved, so that the energy consumption of the intelligent surface reaches the lowest state.
In one embodiment of the present disclosure, the smart surface adjusts the electromagnetic units in a predetermined manner at the beginning of each predetermined period. The predetermined manner is that the intelligent surface generates the set of control parameters of each electromagnetic unit of the intelligent surface in the cost cycle according to a predetermined codebook set or according to a specific algorithm so as to control each electromagnetic unit, thereby adjusting the reflection or transmission characteristics of the whole intelligent surface to the electromagnetic waves.
Specifically, as shown in fig. 3, three predetermined time periods are shown from left to right, and in a first predetermined time period, after an incident wave propagates to the intelligent surface, a reflected wave required in the first predetermined time period can be formed according to the reflection of the electromagnetic unit adjusted by the first set of control parameters; similarly, in a second preset time period, after the incident wave is transmitted to the intelligent surface, the electromagnetic unit can reflect according to the electromagnetic unit adjusted by the second regulation parameter group to form a reflected wave required in the second preset time period; in the third predetermined time period, after the incident wave is transmitted to the intelligent surface, the electromagnetic unit can reflect the incident wave after being adjusted by the third control parameter group to form a reflected wave required in the third predetermined time period. Of course, the number of the predetermined time periods and the number of the sets of the control parameters are not limited in the embodiments of the present disclosure.
Optionally, the electromagnetic wave reflection or transmission characteristics in the present embodiment include, but are not limited to: the phase and amplitude of the reflected electromagnetic wave or the transmitted electromagnetic wave, and the energy distribution of the reflected electromagnetic wave or the transmitted electromagnetic wave in the space. In the implementation, those skilled in the art can adjust other characteristics of the intelligent surface according to actual conditions.
In one embodiment of the present disclosure, when the line-of-sight communication link between the user terminal and the network device is blocked (e.g., by a driving car, building, or other obstacle), the smart surface may be turned on, and a reflected electromagnetic wave directed to the user terminal is formed by the smart surface; in the foregoing case, if the user terminal moves to the extension line direction of the network device and the intelligent surface, the transmission function of the intelligent surface may be turned on and the signal may be transmitted to the corresponding user terminal because the signal cannot be transmitted to the terminal by reflection. It should be noted that the smart surface may have only reflective or transmissive functions, or both reflective and transmissive functions.
Based on the same inventive concept, the embodiment of the present disclosure further provides another intelligent surface control method, such as the following embodiments. The embodiment is embodied on the basis of the above embodiment of the method, and repeated descriptions are omitted.
Fig. 4 illustrates another intelligent surface control method in an embodiment of the present disclosure, and as shown in fig. 4, the intelligent surface control method provided in an embodiment of the present disclosure may include:
s401, monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface.
S402, when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter group of the intelligent surface.
And S403, under the condition that the intelligent surface is in an open state and the second control information and the third control information are not monitored, adjusting the electromagnetic unit regulation parameter group of the intelligent surface according to a preset period and a preset mode.
Optionally, the adjusted set of electromagnetic unit modulation parameters lasts for a period of time.
Optionally, the smart surface may monitor only the second control information or only the third control information, or may monitor both the second control information and the third control information after being turned on. In such a case, the skilled person can switch on or off the listening function of the intelligent surface for the second control information and/or the third control information by the first control information. For example, in an application scenario with a fixed period, since the period of the electromagnetic unit is stable for a long time and does not need to be changed, the monitoring function of the intelligent surface for the second control information can be turned off through the first control information, so that the intelligent surface only monitors the third control information in an on state, thereby saving energy consumption.
It should be noted that the intelligent surface in the embodiment of the present disclosure may keep monitoring the first control information in any state (including but not limited to an on state, an off state, a partially on state, and a partially off state), so as to implement real-time control on the intelligent surface switch.
Based on the same inventive concept, the embodiment of the present disclosure further provides a network device, such as the following embodiments. Because the principle of the embodiment of the apparatus for solving the problem is similar to that of the embodiment of the method, the embodiment of the apparatus can be implemented by referring to the implementation of the embodiment of the method, and repeated details are not described again.
Fig. 5 is a block diagram illustrating a structure of a network device in an embodiment of the present disclosure, and as shown in fig. 5, the network device 500 includes:
a transmission module 510 configured to transmit first control information to the smart surface; when the intelligent surface is in an open state, sending second control information and/or third control information to the intelligent surface; the first control information is used for opening or closing the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface.
Based on the same inventive concept, the embodiment of the present disclosure also provides an intelligent surface, such as the following embodiments. Because the principle of the embodiment of the apparatus for solving the problem is similar to that of the embodiment of the method, the embodiment of the apparatus can be implemented by referring to the implementation of the embodiment of the method, and repeated details are not described again.
Fig. 6 shows a block diagram of a structure of a smart surface in an embodiment of the present disclosure, and as shown in fig. 6, the smart surface 600 includes:
a listening module 610 configured to listen for the first control information; monitoring second control information and/or third control information when the intelligent surface is in an open state; and
and the control module 620 is configured to turn on or off the intelligent surface according to the first control information, adjust the period of the electromagnetic units of the intelligent surface according to the second control information, and adjust the set of electromagnetic unit regulation parameters of the intelligent surface according to the third control information.
It should be noted that, in practical applications, the control module 620 may be integrated into an intelligent surface; of course, according to actual needs, it may also be disposed in an external device having a control function, and this is not limited by the embodiment of the present disclosure.
Based on the same inventive concept, the embodiment of the present disclosure further provides an intelligent surface control system, such as the following embodiments. Because the principle of solving the problem of the embodiment of the control system is similar to that of the embodiment of the method, the embodiment of the control system can be implemented by referring to the implementation of the embodiment of the method, and repeated details are not repeated.
Fig. 7 is a block diagram illustrating an intelligent surface control system according to an embodiment of the present disclosure, and as shown in fig. 7, the intelligent surface control system 700 includes:
a network device 710 configured to transmit first control information; when the intelligent surface is in an open state, sending second control information or third control information; and
the intelligent surface 720 is configured to monitor first control information, and the intelligent surface is adjusted to be turned on or off according to the first control information; and when the intelligent surface is in an open state, monitoring second control information and/or third control information, adjusting the period of the electromagnetic unit of the intelligent surface according to the second control information, and adjusting the electromagnetic unit regulation parameter set of the intelligent surface according to the third control information.
It should be noted that the first control information, the second control information, and the third control information may be located on the same or different frequency domain resources. If the control information is in different frequency domain resources, the intelligent surface can judge which control information the corresponding control information is through the position of the frequency domain resources; for example, when the first control information, the second control information and the third control information are respectively transmitted at three different frequency points, the intelligent surface can determine what kind of control information is monitored through the frequency points of the control information. If they are located in the same frequency domain resource, that is, at least two of the three types of control information are transmitted at the same frequency point, the control information at the same frequency point needs to be distinguished by other means, for example, by different sequence types and by different signal receiving power ranges. The embodiments of the present disclosure are not limited thereto.
Optionally, when the smart surface is in the off state, the electromagnetic element parameters are not continuously regulated. Specifically, the monitoring of the second control information and the third control information is turned off, and only the monitoring function of the first control information is reserved, so that the energy consumption of the intelligent surface reaches the lowest state.
It should be noted that the intelligent surface in the embodiment of the present disclosure may keep monitoring the first control information in any state (including but not limited to an on state, an off state, a partially on state, and a partially off state), so as to implement real-time control on the intelligent surface switch.
As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Accordingly, various aspects of the present disclosure may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
An electronic device 800 according to this embodiment of the disclosure is described below with reference to fig. 8. The electronic device 800 shown in fig. 8 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present disclosure.
As shown in fig. 8, electronic device 800 is in the form of a general purpose computing device. The components of the electronic device 800 may include, but are not limited to: the at least one processing unit 810, the at least one memory unit 820, and a bus 830 that couples the various system components including the memory unit 820 and the processing unit 810.
Where the memory unit stores program code, the program code may be executed by the processing unit 810 to cause the processing unit 810 to perform steps according to various exemplary embodiments of the present disclosure as described in the "exemplary methods" section above in this specification. For example, the processing unit 810 may perform the following steps of the above-described method embodiments: monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface; and when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter group of the intelligent surface. The second control information comprises one bit or a plurality of bits, and the period of the electromagnetic unit is adjusted according to the number of the bits and the combination mode of the second control information. The third control information comprises one bit or a plurality of bits, and the electromagnetic unit regulation parameter group is adjusted according to the bit quantity and the combination mode of the third control information. Based on the control on the electromagnetic unit regulation parameter group, the reflection or transmission characteristics of the electromagnetic wave in the period of the intelligent surface can be adjusted. Electromagnetic wave reflection or transmission characteristics herein include, but are not limited to: the phase and amplitude of the reflected electromagnetic wave or the transmitted electromagnetic wave, and the energy distribution of the reflected electromagnetic wave or the transmitted electromagnetic wave in the space. In the implementation, those skilled in the art can adjust other characteristics of the intelligent surface according to actual conditions.
The storage unit 820 may include readable media in the form of volatile memory units such as a random access memory unit (RAM)8201 and/or a cache memory unit 8202, and may further include a read only memory unit (ROM) 8203.
The storage unit 820 may also include a program/utility 8204 having a set (at least one) of program modules 8205, such program modules 8205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The electronic device 800 may also communicate with one or more external devices 840 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 800, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 800 to communicate with one or more other computing devices. Such communication may occur via input/output (I/O) interfaces 850. Also, the electronic device 800 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 860. As shown, the network adapter 860 communicates with the other modules of the electronic device 800 via the bus 830. It should be appreciated that although not shown, other hardware and/or software modules may be used in conjunction with the electronic device 800, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, there is also provided a computer-readable storage medium, which may be a readable signal medium or a readable storage medium. On which a program product capable of implementing the above-described method of the present disclosure is stored. In some possible embodiments, various aspects of the disclosure may also be implemented in the form of a program product comprising program code for causing a terminal device to perform the steps according to various exemplary embodiments of the disclosure described in the "exemplary methods" section above of this specification, when the program product is run on the terminal device.
More specific examples of the computer-readable storage medium in the present disclosure may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
In the present disclosure, a computer readable storage medium may include a propagated data signal with readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Alternatively, program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In particular implementations, program code for carrying out operations of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a mobile terminal, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (17)
1. An intelligent surface control method, comprising:
monitoring first control information, wherein the first control information is used for opening or closing the intelligent surface;
and when the intelligent surface is in an open state, monitoring second control information and/or third control information, wherein the second control information is used for adjusting the period of the electromagnetic unit of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter group of the intelligent surface.
2. The intelligent surface control method of claim 1, further comprising:
and under the condition that the intelligent surface is in an open state and the second control information and the third control information are not monitored, adjusting the electromagnetic unit regulation parameter group of the intelligent surface according to a preset period and a preset mode.
3. The intelligent surface control method of claim 2, wherein the adjusted set of electromagnetic unit modulation parameters last for a period of time.
4. The intelligent surface control method according to claim 1, wherein the first control information comprises one or more bits, and the intelligent surface is turned on or off according to the number of bits and the combination of the first control information.
5. The intelligent surface control method of claim 4,
turning on or off all panels or electromagnetic units of the smart surface when the first control information includes one bit;
when the first control information includes a plurality of bits, all or part of the panels or the electromagnetic units of the smart surface are turned on or off at a preset time, or all or part of the panels or the electromagnetic units of the smart surface are turned on or off after a preset time length.
6. The intelligent surface control method of claim 1, wherein the second control information comprises one or more bits, and the period of the electromagnetic units is adjusted according to the number of bits and the combination of the second control information.
7. The intelligent surface control method of claim 6,
when the second control information comprises one bit, the period of the electromagnetic unit is adjusted to be longer or shorter by a preset time length;
and when the second control information comprises a plurality of bits, the period of the electromagnetic unit is adjusted to be longer, the period of the electromagnetic unit is adjusted to be shorter or the time length is adjusted to be shorter or the time is adjusted to be shorter.
8. The intelligent surface control method of claim 1, wherein the third control information comprises one or more bits, and the set of electromagnetic unit control parameters is adjusted according to the number of bits and the combination of the third control information.
9. The intelligent surface control method of claim 8,
when the third control information comprises one bit, switching the electromagnetic unit regulation parameter group according to a preset mode;
when the third control information includes a plurality of bits, the set of electromagnetic unit regulation parameters is set in an arbitrary manner.
10. The intelligent surface control method of claim 9, wherein the setting the set of electromagnetic unit regulation parameters in an arbitrary manner includes at least one of:
locking a current electromagnetic unit regulation parameter set;
unlocking a current electromagnetic unit regulation parameter set;
adjusting the current electromagnetic unit regulation parameter group into a previous electromagnetic unit regulation parameter group of the current electromagnetic unit regulation parameter group;
and adjusting the current electromagnetic unit regulation parameter set into any one preset electromagnetic unit regulation parameter set.
11. The intelligent surface control method of claim 1, further comprising:
based on the selection of the electromagnetic unit regulation parameter group, the adjustment of the electromagnetic wave reflection or transmission characteristic of the intelligent surface is realized.
12. The intelligent surface control method of claim 11, wherein the electromagnetic wave reflection or transmission characteristics comprise at least one of:
the phase of the reflected or transmitted electromagnetic wave;
the amplitude of the reflected or transmitted electromagnetic wave;
energy distribution of the reflected electromagnetic wave or the transmitted electromagnetic wave in space.
13. A network device, comprising:
a transmission module configured to transmit first control information to the smart surface; when the intelligent surface is in an open state, sending second control information and/or third control information to the intelligent surface; the first control information is used for turning on or off the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface.
14. A smart surface, comprising:
a monitoring module configured to monitor the first control information; monitoring second control information and/or third control information when the intelligent surface is in an open state; and
the control module is configured to turn on or off the intelligent surface according to the first control information, adjust the electromagnetic unit period of the intelligent surface according to the second control information, and adjust the electromagnetic unit regulation parameter set of the intelligent surface according to the third control information.
15. An intelligent surface control system, comprising:
a network device configured to transmit first control information; when the intelligent surface is in an open state, sending second control information or third control information; and
a smart surface configured to listen for the first control information; when the intelligent surface is in an open state, monitoring the second control information and/or the third control information; the first control information is used for turning on or off the intelligent surface, the second control information is used for adjusting the period of the electromagnetic units of the intelligent surface, and the third control information is used for adjusting the electromagnetic unit regulation parameter set of the intelligent surface.
16. An electronic device, comprising:
a processor; and
a memory for storing executable instructions of the processor;
wherein the processor is configured to perform the intelligent surface control method of any one of claims 1-12 via execution of the executable instructions.
17. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the intelligent surface control method of any one of claims 1 to 12.
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| CN202111434573.1A CN114143810B (en) | 2021-11-29 | 2021-11-29 | Intelligent surface control method and related equipment thereof |
| PCT/CN2022/129217 WO2023093475A1 (en) | 2021-11-29 | 2022-11-02 | Intelligent surface control method and related device thereof |
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| CN114143810B (en) | 2023-04-28 |
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